CAJ | 학술논문

发展林下经济是提高杨树速生丰产林经济效益的有效途径.采用净现值法和投入产出比法对不同间作模式的杨树速生丰产林进行了经济效益分析.共设计试验了3种不同的林下间作模式,一是林下养禽,二是林下养殖双孢菇,三是林下种植牧草.通过对3种杨树速生丰产林间作模式的调查和经济效益分析,结果表明,林禽间作模式为经济效益最高,为最优的选择;其次是林菌间作模式;第三是林草间做模式.同时,根据各种间作模式的年均净现值和投入产出比最大值出现的年份,3种间作模式的经济成熟龄均为第9年.
발전림하경제시제고양수속생봉산림경제효익적유효도경.채용정현치법화투입산출비법대불동간작모식적양수속생봉산림진행료경제효익분석.공설계시험료3충불동적림하간작모식,일시림하양금,이시림하양식쌍포고,삼시림하충식목초.통과대3충양수속생봉산림간작모식적조사화경제효익분석,결과표명,림금간작모식위경제효익최고,위최우적선택;기차시림균간작모식;제삼시림초간주모식.동시,근거각충간작모식적년균정현치화투입산출비최대치출현적년빈,3충간작모식적경제성숙령균위제9년.
Developing intercrop or livestock under the forest is an effective way to increase the economic benefit. This paper studied the economic benefit of different intewropping model of poplar forest. Three intereropping models were included:raising poultry under forest, growing agaricus bisporus under forest and growing grass under forest. The result showed the model of forest and poultry intereropping is the best one, the forest and mushroom model the second and the forest and grass model the third. Meanwhile, according to the mean net present value and investment and revenue ratio, the economic mature age of the forest for these three models was 9 year.